PDF Publication Title:
Text from PDF Page: 281
270 Chapter 6 6.5 Experiment Theory Fig. 6-15. Comparison of the plasma density measured on axis in the NSTAR-sized cathode operating at 12 A and a 4.25-sccm xenon flow with the 2-D code predictions. Table 6-2. Currents from the 2-D cathode code for the insert plasma of the NSTAR cathode. Source Emitted Electrons Absorbed Electrons Absorbed Ions Net Current Orifice Region Plasma Current (A) 31.7 20.2 0.5 12.0 Electrons are extracted from the insert plasma through the orifice into the discharge chamber or ion beam. For cathodes with no orifice, a transition region exists at the end of the insert and cathode tube where the neutral gas density is sufficiently low and the flow becomes collisionless. Orificed cathodes also have a transition region to collisionless neutral flow, which can occur inside the orifice or slightly downstream depending on the orifice size and the gas flow rate. Inside the orifice, the electron current density is the highest in the entire system. In this region, classical electron scattering with the ions and neutral gas produces resistive heating. The hot electrons then ionize a large fraction of the xenon gas, most of which strikes the orifice wall as ions and heats it. The amount of orifice-plasma resistance and orifice-plate heating depends on the geometry, flow rate, and discharge current. Type A cathodes have long, narrow orifices and high pressures, which lead to high resistivity,PDF Image | Fundamentals of Electric Propulsion: Ion and Hall Thrusters
PDF Search Title:
Fundamentals of Electric Propulsion: Ion and Hall ThrustersOriginal File Name Searched:
Goebel__cmprsd_opt.pdfDIY PDF Search: Google It | Yahoo | Bing
NFT (Non Fungible Token): Buy our tech, design, development or system NFT and become part of our tech NFT network... More Info
IT XR Project Redstone NFT Available for Sale: NFT for high tech turbine design with one part 3D printed counter-rotating energy turbine. Be part of the future with this NFT. Can be bought and sold but only one design NFT exists. Royalties go to the developer (Infinity) to keep enhancing design and applications... More Info
Infinity Turbine IT XR Project Redstone Design: NFT for sale... NFT for high tech turbine design with one part 3D printed counter-rotating energy turbine. Includes all rights to this turbine design, including license for Fluid Handling Block I and II for the turbine assembly and housing. The NFT includes the blueprints (cad/cam), revenue streams, and all future development of the IT XR Project Redstone... More Info
Infinity Turbine ROT Radial Outflow Turbine 24 Design and Worldwide Rights: NFT for sale... NFT for the ROT 24 energy turbine. Be part of the future with this NFT. This design can be bought and sold but only one design NFT exists. You may manufacture the unit, or get the revenues from its sale from Infinity Turbine. Royalties go to the developer (Infinity) to keep enhancing design and applications... More Info
Infinity Supercritical CO2 10 Liter Extractor Design and Worldwide Rights: The Infinity Supercritical 10L CO2 extractor is for botanical oil extraction, which is rich in terpenes and can produce shelf ready full spectrum oil. With over 5 years of development, this industry leader mature extractor machine has been sold since 2015 and is part of many profitable businesses. The process can also be used for electrowinning, e-waste recycling, and lithium battery recycling, gold mining electronic wastes, precious metals. CO2 can also be used in a reverse fuel cell with nafion to make a gas-to-liquids fuel, such as methanol, ethanol and butanol or ethylene. Supercritical CO2 has also been used for treating nafion to make it more effective catalyst. This NFT is for the purchase of worldwide rights which includes the design. More Info
NFT (Non Fungible Token): Buy our tech, design, development or system NFT and become part of our tech NFT network... More Info
Infinity Turbine Products: Special for this month, any plans are $10,000 for complete Cad/Cam blueprints. License is for one build. Try before you buy a production license. May pay by Bitcoin or other Crypto. Products Page... More Info
CONTACT TEL: 608-238-6001 Email: greg@infinityturbine.com (Standard Web Page)